Field Notebook: Arizona, Texas. 1923, 1924
Page 59
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Transcription
"but this Cambrian quartzite, when it gradually passes over into light colored greenist of Wales, that weathers pillarish. On the sandstone surfaces occur large fucriod casts and round brown holes but these are not Solithus. These holes also occur in the Lignitine (see the two overall specimens). These scales are some hundreds of feet thick (?300 to 400). Then comes in a thick series of thin and thich redded earths and pure limistone with zones of sand at mix. There are also arenaceous limestone, they are separated by shale goes but how well developed I did not make out in the northward slope. All of the limestones carry comminuted trilo- bites and usually in the greater profusion. We found one fine fossil - some near the base, near the middle, and at the Top. Ransom took out a lot of good trilobits. He after so to 100 feet of limestone are pillarish in color.